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Buianhquan0912
2 năm trước
5 Khí H2 được dùng làm nhiên liệu vì: A: Phản ứng giữa H2 và oxit kim loại tỏa nhiều nhiệt. B: H2 kết hợp với O2 tạo ra nước. C: H2 là khí nhẹ nhất. D: Khí H2 cháy
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III/ Read the passage choose true ( T) or false ( F) London is Britain / s biggest city. It is a very old city and dates back to the Romans. It is a city of historic building and churches, and it has many beautiful parks. It also has some of the best museum in the world. London is very crowded in summer. It is a popular city with foreign tourists and has more than eight million visitors a year. The city is famous for its shopping and department stores. London has an excellent underground railway system, so it is easy for tourists to get around. 1. None of the cities in Britain is bigger than London 2. London is founded by the Romans 3. London has historic buildings and churches 4. Most of the best museum in the world are situated in London 5. London is not busy in summer 6. It / s not easy for tourists to travel around London IV Complete the second sentence so that it has the same meaning to the first ( 2ms) 1. People speak English over the world.  English ............................................................................ 2. Do you mind if I take a photo  Would you mind ................................................................

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